﻿using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace Lite.ExcelLibrary.BinaryFileFormat
{
    /// <summary>
    /// contains relative offsets to calculate the stream position of the first cell
    /// record for each row in each row block.
    /// </summary>
    public partial class DBCELL : Record
    {
        public DBCELL(Record record) : base(record) { }

        public DBCELL()
        {
            this.Type = RecordType.DBCELL;
            this.FirstCellOffsets = new List<UInt16>();
        }

        /// <summary>
        /// Relative offset to first ROW record in the Row Block
        /// </summary>
        public UInt32 FirstRowOffset;

        /// <summary>
        /// relative offsets to calculate stream position of the first cell record for the respective row
        /// </summary>
        public List<UInt16> FirstCellOffsets;

        public override void Decode()
        {
            MemoryStream stream = new MemoryStream(Data);
            BinaryReader reader = new BinaryReader(stream);
            this.FirstRowOffset = reader.ReadUInt32();
            reader.ReadUInt16();
        }

        public override void Encode()
        {
            MemoryStream stream = new MemoryStream();
            BinaryWriter writer = new BinaryWriter(stream);
            writer.Write(FirstRowOffset);
            foreach (UInt16 uint16Var in FirstCellOffsets)
            {
                writer.Write(uint16Var);
            }
            this.Data = stream.ToArray();
            this.Size = (UInt16)Data.Length;
            base.Encode();
        }

    }
}
